Layer SCSS to MergeStyles#3979

Merged

oengusmacinog-zz merged 10 commits intomicrosoft:masterfrom

oengusmacinog-zz:layer-scss2ms

Feb 21, 2018

Commits on Feb 15, 2018

Commits on Feb 17, 2018

Commits on Feb 20, 2018

merge tslint changes
oengusmacinog-zz
committed